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LetsTak is a free VoIP audio and video Dialer to make VoIP call from the Android Phones & Tablets. It works over Wi-Fi/3G/4G/EDGE.
LetsTak Dialer support high quality audio & video codecs like, G729, G711a, G711u, g722, VP8, H.263-1998, H.264 etc.
Compatible with any SIP based Softwitch
Connectivity through WIFI/3G/4G/Edge
Login by Your SIP server, SIP user & Password
Outgoing and incoming VoIP calls
Address book integration
Calls History
Loudspeaker
work in background mode
Excellent Voice Quality
Audio Codecs Support, G729, G711a, G711u, G722, AMR & GSM
Vedio Codecs Support, H.263, H.264, VP8
Compatible with Android Phones & Tablets OS version 1.6 and above.
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